package June;

public class Test_6_4 {
    public static void main(String[] args) {
        // 将 int[] arr1 ={10,20,30};
        // 拷贝到 arr2数组,要求数据空间是独立的

        int[] arr1 = {10, 20, 30};
        int[] arr2 = new int[arr1.length];
        for (int i = 0; i <arr1.length; i++) {
            arr2[i] = arr1[i];
        }
        arr2[0] = 100;
        for (int i = 0; i <arr1.length; i++) {
            System.out.println(arr2[i]);
        }
        System.out.println(arr1[0]);
    }
}
